Before colliding the momentum of block a is -100 kg*m/s, and block b is -150 kg*m/s. after, block a has a momentum -200 kg*m/s. what is the momentum of block b afterwards me

Unpolarized light of intensity so passes through two sheets of polarizing material whose transmission axes make an angle of 60∘ with each other as shown in the figure. what is the intensity of the transmitted beam, st?

How will the system respond to a temperature increase?

Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0° to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?